compositor-worker: plumb element id and mutable properties

third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp

Index: third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
index 256190d7c91ed484781411e952bd2d5e2d14e61b..93970ac0cfd8dc66ffbed99523982af4e1d95a6c 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
@@ -1215,6 +1215,18 @@ PaintController* GraphicsLayer::paintController()
     return m_paintController.get();
 }
 
+void GraphicsLayer::setElementId(uint64_t id)
+{
+    if (WebLayer* layer = platformLayer())
+        layer->setElementId(id);
+}
+
+void GraphicsLayer::setCompositorMutableProperties(uint32_t properties)
+{
+    if (WebLayer* layer = platformLayer())
+        layer->setCompositorMutableProperties(properties);
+}
+
 } // namespace blink
 
 #ifndef NDEBUG